Jonah Berger is a marketing professor at the Wharton School at the University of Pennsylvania and internationally bestselling author of Contagious, Invisible Influence, and The Catalyst. Dr. Berger is a world-renowned expert on change, word of mouth, influence, consumer behavior, and how products, ideas, and behaviors catch on. He has published over 50 articles in top‐tier academic journals, teaches Wharton’s highest rated online course, and popular outlets like The New York Times and Harvard Business Review often cover his work. He’s keynoted hundred of events, and often consults for organizations like Google, Apple, Nike, and the Gates Foundation. Enjoy! Today's episode is brought to you by CreativeLive. CreativeLive is the world's largest hub for online creative education in photo/video, art/design, music/audio, craft/maker and the ability to make a living in any of those disciplines. They are high quality, highly curated classes taught by the world’s top experts -- Pulitzer, Oscar, Grammy Award winners, New York Times best selling authors and the best entrepreneurs of our times.